Experience with Sram S900 crank

Discuss light weight issues concerning road bikes & parts.
Posts: 66
Joined: Mon Dec 12, 2011 2:27 pm

by Bregne

djconnel wrote:I'm still not feeling warm and fuzzy about PowerToMax:

From DC Rainmaker:


So, whats your point? It might as well be the PowerCal or the PowerTap measuring wrong? I read the article and it seems that the taking the party of the PowerCal (could be because he got it sponsored).

I trust the Power2Max... but i don't know if i trust the Bor crankset.

Posts: 251
Joined: Fri Oct 31, 2008 10:04 pm

by claus

AFAIK the PowerTap that Ray uses is calibrated, hence the values from the Power2Max are not so good.

The PowerCal is just trying to determine the power output by the (changes in) HR, so that's not something you should use for "serious" training; the article describes under which circumstances the PowerCal can be "good enough".

by Weenie

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